U.S. President Barack Obama (R) listens as visitng Italian Prime Minister Enrico Letta speaks to reporters after their meeting in the Oval office of the White House in Washington D.C., capital of the United States, Oct. 17, 2013. (Xinhua/Zhang Jun)
U.S. Secretary of State John Kerry (2nd R) chats with National Security Adviser Susan Rice as U.S. President Barack Obama and visitng Italian Prime Minister Enrico Letta speak to reporters after their meeting in the Oval office of the White House in Washington D.C., capital of the United States, Oct. 17, 2013. (Xinhua/Zhang Jun)
U.S. President Barack Obama (R) shakes hands with visitng Italian Prime Minister Enrico Letta after their meeting in the Oval office of the White House in Washington D.C., capital of the United States, Oct. 17, 2013. (Xinhua/Zhang Jun)
U.S. President Barack Obama (R) listens as visitng Italian Prime Minister Enrico Letta speaks to reporters after their meeting in the Oval office of the White House in Washington D.C., capital of the United States, Oct. 17, 2013. (Xinhua/Zhang Jun)
U.S. President Barack Obama (L) pauses while speaking to reporters after meeting with Italian Prime Minister Enrico Letta in the Oval office of the White House in Washington D.C., capital of the United States, Oct. 17, 2013. (Xinhua/Zhang Jun)
U.S. President Barack Obama (R) talks with visitng Italian Prime Minister Enrico Letta after their meeting in the Oval office of the White House in Washington D.C., capital of the United States, Oct. 17, 2013. (Xinhua/Zhang Jun)
